Influence of heavy metals on the occurrence of Antarctic soil microalgae
Abstract Human- and animal-impacted sites in Antarctica can be contaminated with heavy metals, as well as areas influenced by underlying geology and naturally occurring minerals. The present study examined the relationship between heavy metal presence and soil microalgal occurrence across a range of...
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Cambridge University Press (CUP)
2021
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Online Access: | http://dx.doi.org/10.1017/s0954102021000390 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102021000390 |
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crcambridgeupr:10.1017/s0954102021000390 2024-09-15T17:48:07+00:00 Influence of heavy metals on the occurrence of Antarctic soil microalgae Dang, Nguk-Ling Chu, Wan-Loy Yap, Kok-Seng Ivan Kok, Yih-Yih Phang, Siew-Moi Chan, Kok-Keong Convey, Peter Ministry of Science, Technology and Innovation (MOSTI), Malaysia 2021 http://dx.doi.org/10.1017/s0954102021000390 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102021000390 en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms Antarctic Science volume 33, issue 6, page 645-659 ISSN 0954-1020 1365-2079 journal-article 2021 crcambridgeupr https://doi.org/10.1017/s0954102021000390 2024-07-17T04:03:57Z Abstract Human- and animal-impacted sites in Antarctica can be contaminated with heavy metals, as well as areas influenced by underlying geology and naturally occurring minerals. The present study examined the relationship between heavy metal presence and soil microalgal occurrence across a range of human-impacted and undisturbed locations on Signy Island. Microalgae were identified based on cultures that developed after inoculation into an enriched medium. Twenty-nine microalgae representing Cyanobacteria, Bacillariophyta, Chlorophyta and Tribophyta were identified. High levels of As, Ca, Cd, Cu and Zn were detected in Gourlay Peninsula and North Point, both locations hosting dense penguin rookeries. Samples from Berntsen Point, the location of most intense human activity both today and historically, contained high levels of Pb. The contamination factor and pollution load index confirmed that the former locations were polluted by Cd, Cu and Zn, with these being of marine biogenic origin. Variation in the microalgal community was significantly correlated with concentrations of Mn, Ca, Mg, Fe, Zn, Cd, Co, Cr and Cu. However, the overall proportion of the total variation contributed by all metals was low (16.11%). Other factors not measured in this study are likely to underlie the majority of the observed variation in microalgal community composition between sampling locations. Article in Journal/Newspaper Antarc* Antarctic Antarctic Science Antarctica Signy Island Cambridge University Press Antarctic Science 1 15 |
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Open Polar |
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Cambridge University Press |
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crcambridgeupr |
language |
English |
description |
Abstract Human- and animal-impacted sites in Antarctica can be contaminated with heavy metals, as well as areas influenced by underlying geology and naturally occurring minerals. The present study examined the relationship between heavy metal presence and soil microalgal occurrence across a range of human-impacted and undisturbed locations on Signy Island. Microalgae were identified based on cultures that developed after inoculation into an enriched medium. Twenty-nine microalgae representing Cyanobacteria, Bacillariophyta, Chlorophyta and Tribophyta were identified. High levels of As, Ca, Cd, Cu and Zn were detected in Gourlay Peninsula and North Point, both locations hosting dense penguin rookeries. Samples from Berntsen Point, the location of most intense human activity both today and historically, contained high levels of Pb. The contamination factor and pollution load index confirmed that the former locations were polluted by Cd, Cu and Zn, with these being of marine biogenic origin. Variation in the microalgal community was significantly correlated with concentrations of Mn, Ca, Mg, Fe, Zn, Cd, Co, Cr and Cu. However, the overall proportion of the total variation contributed by all metals was low (16.11%). Other factors not measured in this study are likely to underlie the majority of the observed variation in microalgal community composition between sampling locations. |
author2 |
Ministry of Science, Technology and Innovation (MOSTI), Malaysia |
format |
Article in Journal/Newspaper |
author |
Dang, Nguk-Ling Chu, Wan-Loy Yap, Kok-Seng Ivan Kok, Yih-Yih Phang, Siew-Moi Chan, Kok-Keong Convey, Peter |
spellingShingle |
Dang, Nguk-Ling Chu, Wan-Loy Yap, Kok-Seng Ivan Kok, Yih-Yih Phang, Siew-Moi Chan, Kok-Keong Convey, Peter Influence of heavy metals on the occurrence of Antarctic soil microalgae |
author_facet |
Dang, Nguk-Ling Chu, Wan-Loy Yap, Kok-Seng Ivan Kok, Yih-Yih Phang, Siew-Moi Chan, Kok-Keong Convey, Peter |
author_sort |
Dang, Nguk-Ling |
title |
Influence of heavy metals on the occurrence of Antarctic soil microalgae |
title_short |
Influence of heavy metals on the occurrence of Antarctic soil microalgae |
title_full |
Influence of heavy metals on the occurrence of Antarctic soil microalgae |
title_fullStr |
Influence of heavy metals on the occurrence of Antarctic soil microalgae |
title_full_unstemmed |
Influence of heavy metals on the occurrence of Antarctic soil microalgae |
title_sort |
influence of heavy metals on the occurrence of antarctic soil microalgae |
publisher |
Cambridge University Press (CUP) |
publishDate |
2021 |
url |
http://dx.doi.org/10.1017/s0954102021000390 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102021000390 |
genre |
Antarc* Antarctic Antarctic Science Antarctica Signy Island |
genre_facet |
Antarc* Antarctic Antarctic Science Antarctica Signy Island |
op_source |
Antarctic Science volume 33, issue 6, page 645-659 ISSN 0954-1020 1365-2079 |
op_rights |
https://www.cambridge.org/core/terms |
op_doi |
https://doi.org/10.1017/s0954102021000390 |
container_title |
Antarctic Science |
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1 |
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15 |
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1810289249458585600 |